Instrument Calibration Protocol Ultra Performance Liquid Chromatography (UPLC)
INSTRUMENT | Ultra Performance Liquid Chromatography |
Instrument ID. No. | |
Ref. SOP No. | |
Model No. | |
Calibration frequency | Half Yearly “-15 days |
Date of calibration | |
Next due date |
UPLC System Cleaning :
Chromatographic Condition :
Column : Union
: OFF
Flow Rate : 1.0 ml/minute
Injection Volume : 10 µL
Solution 1 Preparation:
Prepare a solvent mixture for system cleaning (Water: Acetonitrile: Methanol : IPA) (125:125:125:125).
Total Quantity Prepared for Solution 1: _______________ mL.
Solution 1 :
Water : _________ mL
Acetonitrile : _____________ mL
Methanol : _____________ mL
Isopropyl Alcohol : _____________ mL
Solution 2 Preparation:
Take 450 ml of above solvent (Solution – 1) and add 50 ml Orthophosphoric acid. Shake it to mix.
Total Quantity Prepared for Solution 2 : _______________ mL.
Solution 2 : Solution 1 : _________ mL
Orthophosphoric acid. : _____________ mL
Wash the system with Acetonitrile: Water (50: 50) for 30 minutes at 1.0 ml/ minute flow rate.
Acetonitrile : ____________ mL
Water : _______________ mL
UPLC System Cleaning done: Satisfactory / Not Satisfactory.
UPLC Calibration :
1. Peak Area Reproducibility :
Chromatographic System :
Column: Acquity UPLC HSS T 100 x 2.1 mm, 1.8µ [Column No. : __ ]
Detector : UV detector at 273 nm
Flow rate : 0.4 ml/minute
Injection Volume : 3µl
Column Temperature : 40°C
Mobile phase : Acetonitrile: Water (70:30) HPLC grade.
Sample Preparation : [Analytical Balance ID : _________________ ]
Weigh accurately about 100 mg of Caffeine Standard into 100 ml Calibrated volumetric flask. Add 50 ml of Mobile phase, sonicate to dissolve and make up the volume with Mobile phase. – Solution [A]
Weight of Caffeine Standard: _______ mg
(Lot No. of Caffeine __________________)
Dilute 1 ml of above Solution [A] to 100 ml with Mobile phase. Solution [B] (10 ppm
Inject solution [B], 5 times repeatedly and find out the tailing factor and % RSD of area.
Injection No. | Caffeine Standard Area | Tailing Factor |
1 | ||
2 | ||
3 | ||
4 | ||
5 | ||
Mean | ||
% RSD | Not Applicable | |
Limit | NMT 1.0 % | NMT 2.0 |
2. Retention Time Reproducibility:
Note down the retention time of injections injected in Peak Area Reproducibility and calculate % RSD.
Injection No. | Retention Time |
1 | |
2 | |
3 | |
4 | |
5 | |
Mean | |
% RSD | |
Limit | NMT 1.0 % |
3. Calibration of Detector : [ Analytical Balance ID : _________________ ]
Detector Linearity : (For TUV Detector)
Chromatographic System :
Column: Acquity UPLC HSS T 100 x 2.1 mm, 1.8µ [Column No.: ______]
Detector : UV detector at 273 nm
Flow rate : 0.4 ml/minute
Injection Volume : 3µl
Column Temperature : 40°C
Mobile phase : Acetonitrile: Water (70:30) HPLC grade.
Weight of Caffeine Standard: _______ mg Lot No. of Caffeine__________________)
Weigh accurately about 25 mg of Caffeine Standard into 50 ml calibrated volumetric flask. Add 20 ml of mobile phase, sonicate to dissolve and make up the volume with Mobile phase. – Solution [A].
Volume of Solution [A] | Final Volume | Conc. (ppm) |
Inject the above 5 ppm, 10 ppm, 15 ppm, 20 ppm, 25 ppm solution separately. Find out area of the
area of the resulting chromatogram. Plot the graph Area Vs Concentration.
Concentration (ppm) | Area (TUV) |
5 | |
10 | |
15 | |
20 | |
25 |
Acceptance Criteria: Graph of Area Vs Concentration should be linear.
Correlation Co – efficient : TUV _____ [Limit : Not less than 0.999]
4. Wavelength Accuracy Test : [Analytical Balance ID : ___________ ]
For TUV Detector :
Chromatographic Condition :
Column: Acquity UPLC HSS T 100 x 2.1 mm, 1.8µ [Column No. :_____]
Detector : UV detector at 273 nm
Flow rate : 0.4 ml/minute
Injection Volume : 3µl
Column Temperature : 40°C
Mobile phase : Acetonitrile: Water (70: 30) HPLC grade.
Weight of Caffeine Standard : _______ mg (Lot No. of Caffeine : ________________)
Sample Preparation :
Weigh accurately about 100 mg of Caffeine Standard into 100 ml Calibrated volumetric flask. Add 50 ml of Mobile phase, sonicate to dissolve and make up the volume with Mobile phase. – Solution [A].
Dilute 1 ml of above Solution [A] to 100 ml with Mobile phase Solution [B] (10 ppm)
Inject the Solution B at different wavelength from 200 nm to 210 nm and from 268 nm to
277 nm each. Find out the area at each wavelength and report the wavelength having maximum area.
a. Wavelength from 200 nm to 210 nm :
Wavelength (nm) | Caffeine Standard Area |
200 | |
201 | |
202 | |
203 | |
204 | |
205 | |
206 | |
207 | |
208 | |
209 | |
210 |
Observation: Area is maximum at Wavelength ___________.
Acceptance Criteria :
Area should be maximum at a wavelength of 205 nm ± 2 nm.
b. Wavelength from 268 nm to 277 nm :
Wavelength (nm) | Caffeine Standard Area |
268 | |
269 | |
270 | |
271 | |
272 | |
273 | |
274 | |
275 | |
276 | |
277 |
Observation : Area is maximum at wavelength ___________
Acceptance Criteria :
Area should be maximum at a wavelength of 273 nm ± 2nm.
5. Lamp Energy And Performance Check :
Reference energy : _______ nA
Acceptance Criteria: Not less than 15nA at 225 nm.
6. Calibration of Gradient Valve : [Analytical Balance ID : _____________ ]
Install union in place of Column and flush solvent lines (A, B, C & D) with respective solvents at flow rate of 1 ml/min.
Prepare 5.6 mg / l of Propylparaben standard in Methanol HPLC grade.
Mobile phase :
Reservoir A and B : Methanol HPLC Grade
Reservoir C and D : 5.6 mg / lt. of Propyl Paraben standard in Methanol HPLC Grade
Chromatographic System :
Detector : UV detector at 254 nm
Flow Rate : 1.0 ml/minute
Injection Volume : 3µl
Column Temperature : Ambient (about 25°C)
Time | Flow (ml) | % A | % B | % C | % D | Curve |
Initial | 1.0 | 50 | 50 | 0 | 0 | – |
2 | 1.0 | 0 | 0 | 50 | 50 | 11 |
6 | 1.0 | 50 | 50 | 0 | 0 | 11 |
10 | 1.0 | 45 | 45 | 10 | 0 | 11 |
12 | 1.0 | 50 | 50 | 0 | 0 | 11 |
14 | 1.0 | 45 | 45 | 0 | 10 | 11 |
16 | 1.0 | 50 | 50 | 0 | 0 | 11 |
18 | 0.0 | 50 | 50 | 0 | 0 | 11 |
Observation :
Peak | % GPV |
A/B/C | |
A/B/D |
Acceptance Criteria: % GPV must be 10 % ± 0.5.
7. Calibration of Injection volume :
Sample Preparation : [Analytical Balance ID : _________________ ]
Weigh accurately about 100 mg of Caffeine Standard into 100 ml Calibrated volumetric flask. Add 50 ml of Mobile phase, sonicate to dissolve and make up the volume with Mobile phase. – Solution [A]
Dilute 1 ml of above Solution [A] to 100 ml with Mobile phase Solution [B] (10 ppm)
Inject the above solution [B] 1µl, 2µl, 4µl, 6µl, 8µl separately. Find out area of the resulting chromatogram & plot the graph area vs injection volume and find out the regression coefficient.
Injection Number | Injection Volume | Area |
1 | 1 µl | |
2 | 2 µl | |
3 | 4 µl | |
4 | 6 µl | |
5 | 8 µl |
Acceptance Criteria: Graph of Area Vs Injection Volume should be linear.
Correlation co-efficient : ______________ [Limit : Not less than 0.999]
8. Calibration of Flow Rate :
First run the instrument 15 minutes by taking water as mobile phase.Take 2 ml Volumetric Flask for 0.1ml flow and 5ml Volumetric Flask for 0.4 ml and 0.6 ml flow. Select one of the four Solvent lines A, B, C or D.Start stopwatch & same time collect water in 2 ml Volumetric Flask up to the meniscus of the flask for flow rate 0.1 ml/minute.Collect water in 5 ml Volumetric Flask for flow rate 0.4 & 0.6 ml/minute.Collect water in 5 ml Volumetric Flask for flow rate 0.4 & 0.6 ml/minute.Calculated Flow rate = Volume of Volumetric Flask / (Measured Time in Second / 60)
Observation:
For Solvent line _________
For 0.1 ml / minute :
Sr. No. | 1 | 2 |
Calculated Flow |
Acceptance Criteria | 0.1 ± ml/min (± 2 %). (0.098 – 0.102ml/min) |
For 0.4 ml / minute :
Sr. No. | 1 | 2 |
Calculated Flow |
Acceptance Criteria | 0.4 ± ml/min (± 2 %). (0.392 – 0.408 ml/min) |
For 0.6 ml / minute :
Sr. No. | 1 | 2 |
Calculated Flow |
Acceptance Criteria | 0.6 ± ml/min (± 2 %). – 0.612 ml/min) |
9. Calibration of Oven :
Keep the calibrated temperature sensor probe in the Column oven.Set the oven with different temperature as per table given below and observe the temperature on calibrated temperature sensor and on LCD screen.
Calibrated temperature sensor ID : __________________
Sr. No. | Set Temperature | Observed Temperature on Calibrated Temperature Sensor | Observed Temperature on LCD Screen | Difference |
1 | 30°C | |||
2 | 40°C | |||
3 | 50°C | |||
4 | 60°C |
Acceptance Criteria: Difference should not be more than ± 2°C of set temperature between calibrated temperature sensor and on PC screen.
10. Calibration of Sampler Cooler :Keep the calibrated temperature sensor probe in the Sampler cooler.Set the oven with different temperature as per table given below and observe the temperature on calibrated temperature sensor and on LCD screen
Calibrated temperature sensor ID : __________________
Sr. No. | Set Temperature | Observed Temperature on Calibrated Temperature Sensor | Observed Temperature on LCD Screen | Difference |
1 | 4 °C | |||
2 | 15 °C |
Acceptance Criteria: Difference should not be more than ± 2°C of set temperature between calibrated temperature sensor and on LCD screen.
11. Calibration of Sampler Cooler :Keep the calibrated temperature sensor probe in the Sampler cooler.Set the oven with different temperature as per table given below and observe the temperature on calibrated temperature sensor and on LCD screen
Calibrated temperature sensor ID : __________________
Sr. No. | Set Temperature | Observed Temperature on Calibrated Temperature Sensor | Observed Temperature on LCD Screen | Difference |
1 | 4 °C | |||
2 | 15 °C |
Acceptance Criteria: Difference should not be more than ± 2°C of set temperature between calibrated temperature sensor and on LCD screen.
12. Calibration of Auto Sampler by Carryover Check :
[Balance ID:_____________]Mobile Phase : Solvent Line A and C: 100 % Water.
Solvent Line B and D: 100 % Acetonitrile.
Rinsing Solvent and Needle Wash : Water : Acetonitrile (90 : 10)
Chromatographic Condition :
Column: Acquity UPLC BEH C18, 50 x 2.1 mm, 1.7 µm [Column No. : ____ ]
Detector : UV detector
Injection Volume : 5.0 µL
Column Temperature: 40°C
Run Time : 1 minute and for challenge injection 11 minutes.
Detector Wavelength : 273 nm
Gradient Programme :
Time (minutes) | Flow Rate (mL/min) | % A | % B | % C | % D | Curve |
0.00 | 0.6 | 90.0 | 10.0 | 0.0 | 0.0 | — |
30.00 | 0.6 | 90.0 | 10.0 | 0.0 | 0.0 | 11 |
30.50 | 0.0 | 90.0 | 10.0 | 0.0 | 0.0 | 11 |
Gradient Programme (For Challenge Injection – 4000 ppm) :
Time (minutes) | Flow Rate (mL/min) | % A | % B | % C | % D | Curve |
0.00 | 0.6 | 90.0 | 10.0 | 0.0 | 0.0 | — |
1.00 | 0.6 | 90.0 | 10.0 | 0.0 | 0.0 | 6 |
1.40 | 0.6 | 0.0 | 100.0 | 0.0 | 0.0 | 6 |
5.00 | 0.6 | 0.0 | 100.0 | 0.0 | 0.0 | 6 |
5.50 | 0.6 | 90.0 | 10.0 | 0.0 | 0.0 | 6 |
40.00 | 0.0 | 90.0 | 10.0 | 0.0 | 0.0 | 11 |
Sample Preparation :
Weight of Standard: _______ mg (Lot No. of Caffeine : _________________)
Solution A :
Dilute 1 mL of Solution B in to 100 mL volumetric flask. Dilute up to the volume with diluent. Further dilute 1 mL to 200 mL with diluent (0.2 ppm) (0.005 % of Solution B).
Solution B :
Weigh accurately 40 mg of Caffeine and transfer in a 10 mL clean and dried volumetric flask dissolve in and dilute up to the mark with diluent (4000 ppm).
Setup the UPLC system as per above-mentioned condition and keep the flow for 30 minutes to saturate the column with the mobile phase and 5 µL mobile phase as blank.
Inject two pre blank injections, solution A (0.2 ppm) (Three injection), Challenge injection
(4000 ppm) (One injection), followed by three post blank injection.
Record the result as mentioned in the table.
Injection | RT | Area |
Pre Blank – 1 | ||
Pre Blank – 2 | ||
Solution A (0.2 ppm) – Inj – 1 | ||
Solution A (0.2 ppm) – Inj – 2 | ||
Solution A (0.2 ppm) – Inj – 3 | ||
Mean area of solution A | — | |
Challenge Injection (4000 ppm) | ||
Post Blank – 1 | ||
Post Blank – 2 | ||
Post Blank – 3 |
% Carry Over: ___________
Limits: Not more than 0.005 %
Calculate the % carryover using the formula :
% Carryover
% Carryover = [(Area of Caffeine in Post Blank – 1) x (Standard Concentration) x 100]/[(area of Caffeine peak with Solution (A)) x (Challenge Concentration)]
Remarks : Calibration satisfactory / Not satisfactory
Calibrated By (Sign/ Date)
Checked By (Sign/ Date)